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“About 71% of earth is covered with water, but sadly only 2.5% of it is drinking water. With rise in population, pollution and climate change, it is expected that by as soon as 2025 we will experience perennial water …
“This is fully 3d printed and remotely accessible telescope. it was mainly designed by open space agency under open hardware licence as ultrascope plus. i found it on there website . i made some changes in the design and fully designed …
“New photonic crystal waveguide based on topological insulators paves the way to build futuristic light-based computers Engineers at Duke University have demonstrated a device that can direct photons of light around sharp corners with virtually no losses due to backscattering …
“Computerized design reveals how honeycomb-like frameworks with unusual rippled shapes can produce buckle-resistant architectures Composite panels that sandwich a porous inner core between two solid outer sheets are increasingly being used in aircraft to reduce weight while maintaining structural rigidity …
“I recently worked on a project that required a magnetic sensor (MPU-9250) be calibrated to get best accuracy. I had some basic understanding on how to calibrate a magnetic sensor, although I’ve not done calibration before. The calibration …
“By the end of this instructable you will be able to build a device that listens to loud noises like claps and responds to them by turning on or off 3 LEDs. Above is an image of the final result …
“CurrentRanger is a nanoAmp current meter featuring auto-ranging, uni/bi-directional modes, bluetooth data logging options and more. It is a highly hackable and affordable ultra low-burden-voltage ammeter, appropriate for hobby and professional use where capturing fast current transients and measurement …
“DIYers…We have all been through the situation when our high end chargers are busy charging those lithium polymer batteries but you still need to charge that 12v lead acid battery and the only charger you got is a blind …
“While growing up in the 80s, I occasionally envied the cool, skater punk kids in their military surplus jackets, covered in safety-pins and angst-ridden, handmade patches. Now that I have reached an age where I’m expected to focus on …
“In this Instructable, I will drive a 28-BYJ-48 step motor, with a UNL2003 darlington array board, sometimes named x113647, without a micro controller. It will have start/stop, forward/backward, and speed control. The motor is a uni-polar …